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MEMCMDQ28 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc |
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MEMCMDQ28 Datasheet(HTML) 10 Page - Freescale Semiconductor, Inc |
10 / 82 page MPC8323E PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 4 10 Freescale Semiconductor Clock Input Timing NOTE AVDDn (1.0 V) is estimated to consume 0.05 W (under normal operating conditions and ambient temperature). 4 Clock Input Timing This section provides the clock input DC and AC electrical characteristics for the MPC8323E. NOTE The rise/fall time on QUICC Engine input pins should not exceed 5 ns. This should be enforced especially on clock signals. Rise time refers to signal transitions from 10% to 90% of VCC; fall time refers to transitions from 90% to 10% of VCC. 4.1 DC Electrical Characteristics Table 7 provides the clock input (CLKIN/PCI_SYNC_IN) DC timing specifications for the MPC8323E. Local bus I/O load = 25 pF 1 pair of clocks 66 MHz, 32 bits — — 0.12 W — PCI I/O load = 30 pF 66 MHz, 32 bits — — 0.057 W — QUICC Engine block and other I/Os UTOPIA 8-bit 31 PHYs — — 0.041 W Multiply by number of interfaces used. TDM serial — — 0.001 W TDM nibble — — 0.004 W HDLC/TRAN serial — — 0.003 W HDLC/TRAN nibble — — 0.025 W DUART — — 0.017 W MIIs — — 0.009 W RMII — — 0.009 W Ethernet management — — 0.002 W USB — — 0.001 W SPI — — 0.001 W Timer output — — 0.002 W Table 7. CLKIN DC Electrical Characteristics Parameter Condition Symbol Min Max Unit Input high voltage — VIH 2.7 OVDD +0.3 V Input low voltage — VIL –0.3 0.4 V Table 6. Estimated Typical I/O Power Dissipation (continued) |
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